<template>
  <div class='icons'>
    <swiper>
      <swiper-slide v-for='(page,index) of pages' :key='index'>
        <div class='icon' v-for='item of page' :key='item.id'>
          <div class='icon-img'>
            <img class='icon-img-content' :src="item.imgUrl">
          </div>
          <p class='icon-desc'>{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang='stylus' scoped>
  @import '~styles/mixins.styl'
  .icons
    overflow: hidden
    width: 100%
    height: 0
    padding-bottom: 50%
    .icon
      position: relative
      display: inline-block
      width: 25%
      height: 0
      padding-bottom: 25%
      .icon-img
        position: absolute
        top: 0
        left: 0
        right: 0
        bottom: .45rem
        box-sizing: border-box
        padding: .2rem
        .icon-img-content
          width: 100%
          height: 100%
      .icon-desc
        position: absolute
        left: 0
        right: 0
        bottom: 0
        height: .44rem
        line-height: .44rem
        text-align: center
        font-size: .3rem
        padding:.1rem
        ellipsis()
        min-width: 0
</style>
